﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


class Test
{

    int number1;
    int number2;
    int number3;
    int number4;
    int number5;
    int number6;
    int number7;
    int number8;

    public int Plus(int number1, int number2)//  加法
    {
        return number1 + number2;
    }
    public int subtract(int number3, int number4) //减法
    {
        return number3 - number4;
    }
    public int multiply(int number5, int number6) //乘法
    {
        return number5 * number6;
    }
    public int divide(int number7, int number8) //除法
    {
        return number7 / number8;
    }


    public static void Main()
    {
        Test t = new Test();
        t.number1 = 1;
        t.number2 = 1;
        Console.WriteLine("number1 + number2的值为:" + (t.number1 + t.number2));

        t.number3 = 2;
        t.number4 = 1;
        Console.WriteLine("number3 - number4的值为:" + (t.number3 - t.number4));

        t.number5 = 2;
        t.number6 = 2;
        Console.WriteLine("number5 * number6的值为:" + (t.number5 * t.number6));

        t.number7 = 4;
        t.number8 = 2;
        Console.WriteLine("number7 / number8的值为:" + (t.number7 / t.number8));


    }


}